Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);

Bitmap bitmap;

Point point1 = new Point(200, 200);

Point point2 = new Point(600, 200);

Matrix matrix = new Matrix();

public Practice09MatrixRotateView(Context context) {

super(context);

}

public Practice09MatrixRotateView(Context context, @Nullable AttributeSet attrs) {

super(context, attrs);

}

public Practice09MatrixRotateView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {

super(context, attrs, defStyleAttr);

}

{

bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.maps);

}

@Override

protected void onDraw(Canvas canvas) {

super.onDraw(canvas);

int bitmapWidth = bitmap.getWidth();

int bitmapHeight = bitmap.getHeight();

canvas.save();

matrix.reset();

matrix.postRotate(180, point1.x + bitmapWidth / 2, point1.y + bitmapHeight / 2);

canvas.concat(matrix);

canvas.drawBitmap(bitmap, point1.x, point1.y, paint);

canvas.restore();

canvas.save();

matrix.reset();

matrix.postRotate(45, point2.x + bitmapWidth / 2, point2.y + bitmapHeight / 2);

canvas.concat(matrix);

canvas.drawBitmap(bitmap, point2.x, point2.y, paint);

canvas.restore();

}